LOONA 1/3 is the first unit, with four official members, and one unofficial member. They live on earth, and form the structure for the rest of the LOONAVERSE.
The members of LOONA 1/3 are known for wearing white outfits with yellow skirts and white shoes, as well as blue school uniforms.
|Member||Species||Representative Animal||Color||Earth Location|
|HeeJin (희진)||Human||Rabbit||Bright Pink||Paris, France|
|HyunJin (현진)||Human||Cat||Yellow||Tokyo, Japan|
|HaSeul (하슬)||Human||White Bird||Green||Iceland|
|ViVi (비비)||Cyborg||Deer||Light Pink||Hong Kong|
|YeoJin (여진)||Human||Frog||Orange||Taipei, Taiwan|